题目内容

爆炸极限是评定可燃气体、蒸气或粉尘爆炸危险的主要依据。下列说法正确的是_______。

A. 爆炸下限愈低，爆炸极限范围愈宽，发生爆炸的危险性就越大。
B. 爆炸下限愈高，爆炸极限范围愈宽，发生爆炸的危险性就越大。
C. 爆炸下限愈低，爆炸极限范围愈窄，发生爆炸的危险性就越大。
D. 爆炸下限愈高，爆炸极限范围愈窄，发生爆炸的危险性就越大。

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